[PATCH v7 03/10] RISC-V: Add SBI v0.2 extension definitions

From: Atish Patra
Date: Mon Jan 27 2020 - 21:28:33 EST


Few v0.1 SBI calls are being replaced by new SBI calls that follows
v0.2 calling convention.

This patch just defines these new extensions.

Signed-off-by: Atish Patra <atish.patra@xxxxxxx>
Reviewed-by: Anup Patel <anup@xxxxxxxxxxxxxx>
Reviewed-by: Palmer Dabbelt <palmerdabbelt@xxxxxxxxxx>
---
arch/riscv/include/asm/sbi.h | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)

diff --git a/arch/riscv/include/asm/sbi.h b/arch/riscv/include/asm/sbi.h
index fbdb7443784a..e478368a47f3 100644
--- a/arch/riscv/include/asm/sbi.h
+++ b/arch/riscv/include/asm/sbi.h
@@ -21,6 +21,9 @@ enum sbi_ext_id {
SBI_EXT_0_1_REMOTE_SFENCE_VMA_ASID = 0x7,
SBI_EXT_0_1_SHUTDOWN = 0x8,
SBI_EXT_BASE = 0x10,
+ SBI_EXT_TIME = 0x54494D45,
+ SBI_EXT_IPI = 0x735049,
+ SBI_EXT_RFENCE = 0x52464E43,
};

enum sbi_ext_base_fid {
@@ -33,6 +36,24 @@ enum sbi_ext_base_fid {
SBI_EXT_BASE_GET_MIMPID,
};

+enum sbi_ext_time_fid {
+ SBI_EXT_TIME_SET_TIMER = 0,
+};
+
+enum sbi_ext_ipi_fid {
+ SBI_EXT_IPI_SEND_IPI = 0,
+};
+
+enum sbi_ext_rfence_fid {
+ SBI_EXT_RFENCE_REMOTE_FENCE_I = 0,
+ SBI_EXT_RFENCE_REMOTE_SFENCE_VMA,
+ SBI_EXT_RFENCE_REMOTE_SFENCE_VMA_ASID,
+ SBI_EXT_RFENCE_REMOTE_HFENCE_GVMA,
+ SBI_EXT_RFENCE_REMOTE_HFENCE_GVMA_VMID,
+ SBI_EXT_RFENCE_REMOTE_HFENCE_VVMA,
+ SBI_EXT_RFENCE_REMOTE_HFENCE_VVMA_ASID,
+};
+
#define SBI_SPEC_VERSION_DEFAULT 0x1
#define SBI_SPEC_VERSION_MAJOR_SHIFT 24
#define SBI_SPEC_VERSION_MAJOR_MASK 0x7f
--
2.24.0